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mattyschell authored Jun 18, 2024
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Expand Up @@ -11,7 +11,7 @@ One of the core functions of the NYC Office of Technology and Innovation (OTI, f
As part of a reorganization of New York City government agencies, The Department of Information Technology and Telecommunications (DoITT) was renamed as "Office of Technology & Innovation (OTI)". DoITT and OTI are equivalent terms for the same city agency.

#### Background
Planimetric mapping is the capture of geographic features from aerial survey (i.e., capture of aerial photography) that are traditionally mapped in two dimensions and are therefore exclusive of elevation. Quite simply these are the visible features that can be digitized from aerial photography. Often referred to as planimetric features or simply planimetics, these geographic features in their sum total essentially represent the base map data (i.e., layers) for a specific area.
Planimetric mapping is the capture of geographic features from aerial survey (i.e., capture of aerial photography) that are traditionally mapped in two dimensions and are therefore exclusive of elevation. Quite simply these are the visible features that can be digitized from aerial photography. Often referred to as planimetric features or simply planimetrics, these geographic features in their sum total essentially represent the base map data (i.e., layers) for a specific area.
NYC first developed a planimetric database in 2000. The data was captured from the first ‘modern’ aerial survey of the New York City that took place in 1996. Referred to at that time as the NYC Landbase, components of this effort were the establishment of:

* a ‘database design’ (the delivery was ArcInfo coverages)
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Using this orthoimagery, the planimetric base layers were updated city wide starting in November 2022 and were completed in October 2023

#### Previous Captures
| | | |
| --- | --- | --- |
| **Planimetric Delivery** | **Year of Imagery** | **NYC Open Data Download Link** |
| 2000 | 1996 | [download](https://data.cityofnewyork.us/Transportation/NYC-Planimetrics-Historic-2000-/xd8h-7j2h) |
| 2004 | 2001, 2002 | [download](https://data.cityofnewyork.us/Transportation/NYC-Planimetrics-Historic-2004-/49mj-4gmb) |
| 2008 | 2006 | [download](https://data.cityofnewyork.us/Transportation/NYC-Planimetrics-2008/dja4-zgtf) |
| 2012 | 2010 | [download](https://data.cityofnewyork.us/Transportation/NYC-Planimetrics-2012/3nr6-bnks) |
| 2016 | 2014 | [download](https://data.cityofnewyork.us/browse?q=NYC+Planimetrics) (work in progress)|
| 2022 | 2022 | [download](https://data.cityofnewyork.us/browse?q=NYC+Planimetrics) (work in progress)|
#### History of Captures

Be advised that organizations define spatial data to be valid using different sets of rules. The links below lead to spatial data formats that may not be fully compatible with some software. QGIS users, for example, may prefer to download shapefiles from NYC Open Data.

| **Planimetrics Delivery** | **Year of Imagery** | **NYC Open Data** | **NYCMapHub** | **NYCMaps File Geodatabase** |
| --- | --- | --- | --- | --- |
| 2000 | 1996 | [NYC Planimetrics 2000](https://data.cityofnewyork.us/Transportation/NYC-Planimetrics-Historic-2000-/xd8h-7j2h/about_data) | Not available | Not available |
| 2004 | 2001, 2002 | [download zip of all history](https://data.cityofnewyork.us/api/views/anc7-97cy/files/bfa14e89-565c-4bb5-a7b2-f39cb0d7af20?download=true&filename=NYC_Planimetrics_Historical_Data.zip) | Not available | Not available |
| 2008 | 2006 | [NYC Planimetrics 2008](https://data.cityofnewyork.us/Transportation/NYC-Planimetrics-Historic-2008-/dja4-zgtf/about_data) | [Planimetrics 2008 datasets](https://nycmaps-nyc.hub.arcgis.com/search?collection=Dataset&q=2008&tags=planimetrics) | Not available |
| 2012 | 2010 | [download zip of all history](https://data.cityofnewyork.us/api/views/anc7-97cy/files/bfa14e89-565c-4bb5-a7b2-f39cb0d7af20?download=true&filename=NYC_Planimetrics_Historical_Data.zip) | [Planimetrics 2012 datasets](https://nycmaps-nyc.hub.arcgis.com/search?collection=Dataset&q=2012&tags=planimetrics) | Not available |
| 2016 | 2014 | [download zip of all history](https://data.cityofnewyork.us/api/views/anc7-97cy/files/bfa14e89-565c-4bb5-a7b2-f39cb0d7af20?download=true&filename=NYC_Planimetrics_Historical_Data.zip) | [Planimetrics 2016 datasets](https://nycmaps-nyc.hub.arcgis.com/search?collection=Dataset&q=2016&tags=planimetrics) | Not available |
| 2022 | 2022 | [NYC Planimetrics ](https://data.cityofnewyork.us/browse?Data-Collection_Data-Collection=NYC+Planimetric+Database) | [Planimetrics 2022 datasets](https://nycmaps-nyc.hub.arcgis.com/search?collection=Dataset&tags=planimetric%25202022) | [NYC 2022 Planimetrics](https://nyc.maps.arcgis.com/home/item.html?id=4b01b78d9eda44819f6c757ec00d0669) |


#### Table of Contents
* [Imagery and Data Specifications](#imagery-and-data-specifications)
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# CURB

**Geometry Type:** Polyline
**Geometry Type:** Polyline Z

| | |
| --- | --- |
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# CURB CUT

**Geometry Type:** Polyline
**Geometry Type:** Polyline Z

| | |
| --- | --- |
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# ELEVATION

**Geometry Type:** Point
**Geometry Type:** Point Z

| | |
| --- | --- |
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# PAVEMENT EDGE

**Geometry Type:** Polyline
**Geometry Type:** Polyline Z

| | |
| --- | --- |
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# PAVEMENTEDGE CARTO

**Geometry Type:** Polyline
**Geometry Type:** Polyline ZM

| | |
| --- | --- |
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**NYC Open Data Name:** Railroad Line

**Geometry Type:** Polyline
**Geometry Type:** Polyline Z

| | |
| --- | --- |
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# RAILROAD STRUCTURE

**Geometry Type:** Polygon
**Geometry Type:** Polygon Z

| | |
| --- | --- |
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# RETAININGWALL

**Geometry Type:** Polyline
**Geometry Type:** Polyline Z

| | |
| --- | --- |
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**NYC Open Data Name:** Transportation Structures

**Geometry Type:** Polygon
**Geometry Type:** Polygon Z

| | |
| --- | --- |
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# nyc-planimetrics
New York City Planimetrics Data. [Start here](https://github.com/CityOfNewYork/nyc-planimetrics/blob/main/Capture_Rules.md) for data sources and detailed documentation.
New York City Planimetrics Data.

[Documentation and links to all data](https://github.com/CityOfNewYork/nyc-planimetrics/blob/main/Capture_Rules.md)

Get the latest data:

| **Planimetric Delivery** | **Year of Imagery** | **NYC Open Data** | **NYCMapHub** | **File Geodatabase** |
| --- | --- | --- | --- | --- |
| 2022 | 2022 | [NYC Planimetrics collection](https://data.cityofnewyork.us/browse?Data-Collection_Data-Collection=NYC+Planimetric+Database) | [Planimetrics 2022 datasets](https://nycmaps-nyc.hub.arcgis.com/search?collection=Dataset&tags=planimetric%25202022) | [NYC 2022 Planimetrics](https://nyc.maps.arcgis.com/home/item.html?id=4b01b78d9eda44819f6c757ec00d0669) |

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